EP0132715A2 - Closure having a degassing valve - Google Patents

Closure having a degassing valve Download PDF

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Publication number
EP0132715A2
EP0132715A2 EP84108207A EP84108207A EP0132715A2 EP 0132715 A2 EP0132715 A2 EP 0132715A2 EP 84108207 A EP84108207 A EP 84108207A EP 84108207 A EP84108207 A EP 84108207A EP 0132715 A2 EP0132715 A2 EP 0132715A2
Authority
EP
European Patent Office
Prior art keywords
closure
degassing
valve
disc
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84108207A
Other languages
German (de)
French (fr)
Other versions
EP0132715A3 (en
EP0132715B1 (en
Inventor
Bruno Pötz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mauser Werke GmbH
Original Assignee
Mauser Werke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mauser Werke GmbH filed Critical Mauser Werke GmbH
Priority to AT84108207T priority Critical patent/ATE31518T1/en
Publication of EP0132715A2 publication Critical patent/EP0132715A2/en
Publication of EP0132715A3 publication Critical patent/EP0132715A3/en
Application granted granted Critical
Publication of EP0132715B1 publication Critical patent/EP0132715B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1616—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a filter

Definitions

  • the invention relates to a closure with degassing valve for filling and removal openings of liquid containers, in which a gas-permeable micro-filter laminate disc is attached with its outer edge surface within an annular groove of the closure below the outwardly open degassing opening.
  • fasteners serve eg detachable plugs or press fasteners, screw - or bung closures.
  • Closures are required which prevent the passage of liquids or solids, but which prevent the passage of gases, if possible in both directions, i.e. should enable pressure equalization.
  • vent closures are required in the form of specially designed closures, so-called vent closures, also for closing storage and transport containers for liquid or solid substances.
  • vent closures In storage or transport containers for liquid or solid substances, especially chemicals, overpressure or underpressure can occur after filling and closing.
  • a vacuum can ent by cooling hot injected fluids, for example - are.
  • Overpressure can form, for example, through decomposition or degassing of the contents of the container, the decomposition being accelerated many times over by unintentional or unavoidable increase in temperature during transport or storage and / or by catalytic influences.
  • the overpressures or underpressures can become so great that the valves can be destroyed.
  • Micro filter laminate panes have proven to be cheap degassing closures, e.g. be immovably welded or glued into the sealing plug in front of the degassing opening.
  • the filter disc must not be dimensioned too small, otherwise the passage cross-sections are not sufficient to allow such gas pressures to escape in a short time.
  • the panes are sufficiently large, it has been found that, although sufficient quantity of pressure is reached at the right time, the pane material is overstressed and tears.
  • the increasing internal pressure can escape to the outside via the free space behind the attachment point of the disc and from there through the degassing opening.
  • a further increase in pressure bulges the disc upwards until it lies against the ring edge of the constriction and is supported against further movement upwards.
  • the support system is gas-permeable, so that the entire pane surface is available outside of its fastening surface as a degassing surface.
  • the ring edge which acts as a support shoulder, prevents inadmissible bulging and thus overextension of the disc.
  • annular sleeve can be integrally formed on the bottom of the closure, the inside diameter of which corresponds to the outside diameter of the valve disk with play.
  • the micro-filter laminate disc 2 is glued into the closure device 1 in an annular groove.
  • a free space rises up behind the pane fastening 5, which is constricted step-wise to the central axis of the closure 1 to form an upper ring surface 3.
  • the inner ring edge 6 forms the lower opening edge of the degassing opening 4 and also serves to limit the bulge of the valve disk 2.
  • annular sleeve 7 is integrally formed on the bottom of the closure device 1, the inside diameter of which corresponds to the outside diameter of the valve disk 2 with play.
  • An annular seal 8 is located in a recess in the neck below the bung thread.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

1. A seal (1) with a degassing valve for the filling and extraction apertures of fluid containers, a gas-permeable micro filter laminar disk (2) being secured by its outer edge surface inside an annular groove of the seal (1) below the degassing aperture, which is open on the outside, characterised in that the free space rising behind the disk fixing (5) is reduced in cross sectional area in the form of steps towards the centre line of the seal (1) ; forming an upper ring surface (3), the inner ring edge (6) of the surface (3) forming the lower aperture edge of the degassing aperture (4) and limiting the convex curvature of the valve disk (2).

Description

Die Erfindung betrifft einen Verschluß mit Entgasungsventil für Einfüll- und Entnahmeöffnungen von Flüssigkeitsbehältern, bei dem eine gasdurchlässige Mikro-Filter-Laminat-Scheibe, mit ihrer Aussenrandfläche innerhalb einer Ringnut des Verschlusses unterhalb der nach außen offenen Entgasungsöffnung befestigt ist.The invention relates to a closure with degassing valve for filling and removal openings of liquid containers, in which a gas-permeable micro-filter laminate disc is attached with its outer edge surface within an annular groove of the closure below the outwardly open degassing opening.

Als Verschlüsse dienen z.B. lösbare Verschlußstopfen oder Pressverschlüsse, Schraub- oder Spundverschlüsse.As fasteners serve eg detachable plugs or press fasteners, screw - or bung closures.

Erforderlich sind Verschlüsse, die den Durchtritt von Flüssigkeiten oder Feststoffen verhindern, die aber den Durchtritt von Gasen, möglichst in beiden Richtungen, d.h. einen Druckausgleich ermöglichen sollen.Closures are required which prevent the passage of liquids or solids, but which prevent the passage of gases, if possible in both directions, i.e. should enable pressure equalization.

Diese Verschlüsse werden in Form von besonders konstruierten Verschlüssen, sog. Entlüftungsverschlüssen, auch zum Verschließen von Lager- und Transportbehältern für flüssige oder feste Stoffe benötigt. In Lager- bzw. Transportbehältern für flüssige oder feste Stoffe, insbesondere Chemikalien, können nach der Füllung und dem Verschließen Uber- oder Unterdrücke auftreten. Ein Unterdruck kann z.B. durch Erkalten warm eingefüllter Flüssigkeiten ent- stehen. Ein Überdruck kann sich z.B. durch Zersetzung oder Entgasung des Behälterinhaltes bilden, wobei die Zersetzung durch unbeabsichtigte oder unvermeidbare Erhöhung der Temperatur während des Transportes oder der Lagerung und/oder durch katalytische Einflüsse um ein Vielfaches beschleunigt werden kann.These closures are required in the form of specially designed closures, so-called vent closures, also for closing storage and transport containers for liquid or solid substances. In storage or transport containers for liquid or solid substances, especially chemicals, overpressure or underpressure can occur after filling and closing. A vacuum can ent by cooling hot injected fluids, for example - are. Overpressure can form, for example, through decomposition or degassing of the contents of the container, the decomposition being accelerated many times over by unintentional or unavoidable increase in temperature during transport or storage and / or by catalytic influences.

Die Uber- oder Unterdrücke können so groß werden, daß die Zerstörung der Ventile die Folge sein kann.The overpressures or underpressures can become so great that the valves can be destroyed.

Als günstige Entgasungsverschlüsse haben sich Mikro-Filter-Laminat-Scheiben erwiesen, die z.B. in die Verschlußstopfen vor der Entgasungsöffnung unverrückbar eingeschweißt oder eingeklebt werden.Micro filter laminate panes have proven to be cheap degassing closures, e.g. be immovably welded or glued into the sealing plug in front of the degassing opening.

Wegen auftretender hoher Innendrücke, die insbesondere beim Absturz eines gefüllten Behälters auftreten, ist dafür Sorge zu tragen, daß genügend Gasdruck in möglichst kurzer Zeit entweichen kann. Dies ist erforderlich, um die vor allem bei warmen Aussentemperaturen stark belasteten Behälter zu schonen.Because of the high internal pressures that occur, particularly when a filled container falls, care must be taken to ensure that sufficient gas pressure can escape in the shortest possible time. This is necessary in order to protect the containers, which are particularly heavily loaded at warm outside temperatures.

Bei diesem Erfordernis darf die Filterscheibe nicht zu klein bemessen werden, den sonst reichen die Durchtrittsquerschnitte nicht aus, um solche Gasdrücke in kurzer Zeit entweichen zu lassen. Andererseits hat sich bei ausreichend grossen Scheiben erwiesen, daß zwar ein ausreichender Mengendurctritt zur rechten Zeit erreicht wird, dann aberist das Scheibenmaterial überbeansprucht und reißt.With this requirement, the filter disc must not be dimensioned too small, otherwise the passage cross-sections are not sufficient to allow such gas pressures to escape in a short time. On the other hand, if the panes are sufficiently large, it has been found that, although sufficient quantity of pressure is reached at the right time, the pane material is overstressed and tears.

Es handelt sich um die Aufgabe, eine terstörungsfreie Einlagerung der Ventilscheibe bei rauhen Betriebsbedingungen in der Verschlußvorrichtung zu gewährleisten, wobei eine möglichst große Vergasungs- und Scheibenfläche zur Verfügung stehen sollen.It is the task of ensuring interference-free storage of the valve disk in the operating device in rough operating conditions, with the largest possible gasification and disk area being available.

Diese Aufgaben werden erfinungs gemäß dadurch gelöst, daß der hinter der Scheibenbefestigung ansteigende Freiraum im Verschluß stufenförmig zur Mittelachse des Verschlusses unter Bildung einer oberen Ringfläche eingeschnürt ist, wobei die innere Ringkante der Fläche den unteren Öffnungsrand der Entgasungsöffnung unddie Auswölbungsbegrenzung der Ventilscheibe bildet.According to the invention, these objects are achieved in that the free space rising behind the disk fastening is constricted in a step-like manner to the central axis of the closure to form an upper ring surface, the inner ring edge of the surface forming the lower opening edge of the degassing opening and the bulge limitation of the valve disc.

Durch die fest eingespannte Mikro-Filter-Laminat-Scheibe kann der ansteigende Innendruck nach außen über den Freiraum hinter der Befestigungsstelle der Scheibe und von dort durch die Entgasungsöffnung nach außen entweichen. Weiterer Druckanstieg wölbt die Scheibe nach oben aus, bis diese an der Ringkante der Einschnürung anliegt und gegen eine weitere Bewegung nach oben abgestützt wird.Due to the firmly clamped micro filter laminate disc, the increasing internal pressure can escape to the outside via the free space behind the attachment point of the disc and from there through the degassing opening. A further increase in pressure bulges the disc upwards until it lies against the ring edge of the constriction and is supported against further movement upwards.

Die Stützanlage ist gasdurchlässig, sodaß die gesamte Scheibenfläche außerhalb ihrer Befestigungsfläche als Entgasungsfläche zur Verfügung steht. Die als Stützschulter wirkende Ringkante verhindert eine unzulässige Auswölbung und damit Uberdehnung der Scheibe.The support system is gas-permeable, so that the entire pane surface is available outside of its fastening surface as a degassing surface. The ring edge, which acts as a support shoulder, prevents inadmissible bulging and thus overextension of the disc.

Die Scheibe wird mit Vorteil in die Ringnut eingeklebt oder eingeschweißt. Damit die unverkantete Scheibenzuführung zu ihrem Befestigungssitz erleichter wird, kann in Ausgestaltung der Erfindungam Boden des Verschlusses einstückig eine Ringhülse angeformt sein, deren Innendurchmesser dem Aussendurchmesser der Ventilscheibe mit Bewegungsspiel entspricht.The disc is advantageously glued or welded into the ring groove. In order to facilitate the non-edged disk feed to its fastening seat, in an embodiment of the invention an annular sleeve can be integrally formed on the bottom of the closure, the inside diameter of which corresponds to the outside diameter of the valve disk with play.

In der Zeichnung ist eine Ausführungsform der Erfindung beispielsweise dargestellt.In the drawing, an embodiment of the invention is shown for example.

Es zeigen:

  • Die Fig. 1 und 2 schematisch die Scheibenbefestigung innerhalb des Verschlusses. Der besseren Übersicht wegen ist in diesen Fig. auf Einzelheiten des Verschlusses verzichtet worden.
  • Fig. 3 zeigt einen Längsschnitt durch einen Spundverschluß in herkömmlicher Größe mit eingearbeiteter Ventilscheibe.
Show it:
  • 1 and 2 schematically the disc attachment within the closure. For the sake of clarity, details of the closure have been omitted in these figures.
  • Fig. 3 shows a longitudinal section through a bung closure in a conventional size with incorporated valve disc.

Wie am besten aus den Fig. 1 und 2 hervorgeht, ist in der Verschlußvorrichtung 1 in einer Ringnut die Mikro-Filter-Laminat-Scheibe 2 eingeklebt. Hinter der Scheibenbefestigung 5 erhebt sich ein Freiraum, der stufenförmig zur Mittelachse des Verschlusses 1 unter Bildung einer oberen Ringfläche 3 eingeschnürt ist. Die innere Ringkante 6 bildet den unteren Öffnungsrand der Entgasungsöffnung 4 und dient weiterhin als Auswölbungsbegrenzung der Ventilscheibe 2.As can best be seen from FIGS. 1 and 2, the micro-filter laminate disc 2 is glued into the closure device 1 in an annular groove. A free space rises up behind the pane fastening 5, which is constricted step-wise to the central axis of the closure 1 to form an upper ring surface 3. The inner ring edge 6 forms the lower opening edge of the degassing opening 4 and also serves to limit the bulge of the valve disk 2.

Wie aus Fig. 3 hervorgeht, ist am Boden der Verschlußvorrichtung 1 einstückig eine Ringhülse 7 angeformt, deren Innendurchmesser dem Aussendurchmesser der Ventilscheibe 2 mit Bewegungsspiel entspricht.3, an annular sleeve 7 is integrally formed on the bottom of the closure device 1, the inside diameter of which corresponds to the outside diameter of the valve disk 2 with play.

Unterhalb des Spundgewindes befindet sich in einer Ausnehmung des Halses eine Ringdichtung 8.An annular seal 8 is located in a recess in the neck below the bung thread.

Claims (2)

1. Verschluß mit Entgasungsventil für Einfüll- und Entnahmeöffnungen von FlUssigkeitsbehältern, bei dem eine gasdurchlässige Mikro-Filter-Laminat-Scheibe, mit ihrer Aussenrandfläche innerhalb einer Ringnut des Verschlusses unterhalb der nach außen offenen Entgasungsöffnung befestigt ist, dadurch gekennzeichnet, daß der hinter der Scheibenbefestigung (5) ansteigende Freiraum im Verschluß (1) stufenförmig zur Mittelachse des Verschlusses (1) unter Bildung einer oberen Ringfläche (3) eingeschnürt ist, wobei die innere Ringkante (6) der Fläche (3) den unteren Öffnungsrand der Entgasungsöffnung (4) und die Auswölbungsbegrenzung der Ventilscheibe (2) bildet.1. Closure with degassing valve for filling and removal openings of liquid containers, in which a gas-permeable micro-filter laminate disc is attached with its outer edge surface within an annular groove of the closure below the degassing opening that is open to the outside, characterized in that the behind the disc attachment (5) increasing free space in the closure (1) is constricted stepwise to the central axis of the closure (1) to form an upper ring surface (3), the inner ring edge (6) of the surface (3) being the lower opening edge of the degassing opening (4) and forms the bulge limitation of the valve disc (2). 2. Verschluß nach Anspruch 1, dadurch gekennzeichnet, daß am Boden des Verschlusses (1) einstückig eine Ringhülse (7) angeformt ist, deren Innendurchmesser dem Aussendurchmesser der Ventilscheibe (2) mit Bewegungsspiel entspricht.2. Closure according to claim 1, characterized in that an annular sleeve (7) is integrally formed on the bottom of the closure (1), the inside diameter of which corresponds to the outside diameter of the valve disk (2) with play.
EP84108207A 1983-07-29 1984-07-12 Closure having a degassing valve Expired EP0132715B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108207T ATE31518T1 (en) 1983-07-29 1984-07-12 CAP WITH DEGASSING VALVE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8321798U 1983-07-29
DE8321798U DE8321798U1 (en) 1983-07-29 1983-07-29 Closure with degassing valve

Publications (3)

Publication Number Publication Date
EP0132715A2 true EP0132715A2 (en) 1985-02-13
EP0132715A3 EP0132715A3 (en) 1986-02-19
EP0132715B1 EP0132715B1 (en) 1987-12-23

Family

ID=6755645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108207A Expired EP0132715B1 (en) 1983-07-29 1984-07-12 Closure having a degassing valve

Country Status (3)

Country Link
EP (1) EP0132715B1 (en)
AT (1) ATE31518T1 (en)
DE (1) DE8321798U1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0261341A1 (en) * 1986-08-18 1988-03-30 Schering Aktiengesellschaft Closure for a liquid-container
AU577420B2 (en) * 1984-11-15 1988-09-22 Lesieur-Cotelle Vented sealing closure
GB2242418A (en) * 1990-03-08 1991-10-02 Pirelli Cables Sa Protective cap for insulated electrical cable end
WO1992019510A1 (en) * 1991-04-25 1992-11-12 Alcoa Deutschland Gmbh Verpackungswerke Closure with overpressure safety
WO1997002994A1 (en) * 1995-07-11 1997-01-30 W.L. Gore & Associates, Inc. Venting system for high-viscosity-liquid containers
WO2001064540A1 (en) * 2000-03-01 2001-09-07 Merck Patent Gmbh Closure stopper
CN101500903B (en) * 2006-08-15 2011-01-26 阿克佐诺贝尔股份有限公司 Venting cover and container with such venting cover
WO2012014050A3 (en) * 2010-07-30 2012-08-23 Laboratoires Thea Head for dispensing a liquid as a drip

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101445193B1 (en) * 2006-08-15 2014-09-29 아크조 노벨 엔.브이. Venting cover and container with such venting cover
DE202011003247U1 (en) * 2011-02-25 2011-05-05 Sabeu Kunststoffwerk Northeim Gmbh Entgasungseinsatz

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB952724A (en) * 1961-12-29 1964-03-18 Servel Inc Diaphragm valve for venting fluid
GB1146972A (en) * 1965-03-04 1969-03-26 Porous Plastics Ltd Improvements relating to removable closure members for containers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB952724A (en) * 1961-12-29 1964-03-18 Servel Inc Diaphragm valve for venting fluid
GB1146972A (en) * 1965-03-04 1969-03-26 Porous Plastics Ltd Improvements relating to removable closure members for containers

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU577420B2 (en) * 1984-11-15 1988-09-22 Lesieur-Cotelle Vented sealing closure
EP0261341A1 (en) * 1986-08-18 1988-03-30 Schering Aktiengesellschaft Closure for a liquid-container
GB2242418A (en) * 1990-03-08 1991-10-02 Pirelli Cables Sa Protective cap for insulated electrical cable end
GB2242418B (en) * 1990-03-08 1994-01-12 Pirelli Cables Sa Insulated electrical cable
WO1992019510A1 (en) * 1991-04-25 1992-11-12 Alcoa Deutschland Gmbh Verpackungswerke Closure with overpressure safety
WO1997002994A1 (en) * 1995-07-11 1997-01-30 W.L. Gore & Associates, Inc. Venting system for high-viscosity-liquid containers
WO2001064540A1 (en) * 2000-03-01 2001-09-07 Merck Patent Gmbh Closure stopper
CN101500903B (en) * 2006-08-15 2011-01-26 阿克佐诺贝尔股份有限公司 Venting cover and container with such venting cover
WO2012014050A3 (en) * 2010-07-30 2012-08-23 Laboratoires Thea Head for dispensing a liquid as a drip
US8690019B2 (en) 2010-07-30 2014-04-08 Laboratoires Thea Head for dispensing a liquid as a drip
AU2011284419B2 (en) * 2010-07-30 2014-12-18 Laboratoires Thea Head for dispensing a liquid as a drip
EA022373B1 (en) * 2010-07-30 2015-12-30 Лаборатуар Теа Head for dispensing a liquid as a drip

Also Published As

Publication number Publication date
EP0132715A3 (en) 1986-02-19
ATE31518T1 (en) 1988-01-15
EP0132715B1 (en) 1987-12-23
DE8321798U1 (en) 1983-12-01

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